Engine and vehicle including the same

(19)

(11)

EP 2 110 532 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	13.12.2017 Bulletin 2017/50

(43)	Date of publication A2:
	21.10.2009 Bulletin 2009/43

(21)	Application number: 09251076.7

(22)	Date of filing: 09.04.2009

(51)

International Patent Classification (IPC):

F02B 75/20^(2006.01)

F16F 15/26^(2006.01)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA RS

(30)

Priority:

14.04.2008 JP 2008104247

(71)	Applicant: Yamaha Hatsudoki Kabushiki Kaisha
	Shizuoka-ken Shizuoka 438-8501 (JP)

(72)	Inventor:
	Fujiwara, Hideki Iwata-shi, Shizuoka-ken 438-8501 (JP)

(74)	Representative: Zimmermann, Tankred Klaus et al
	Schoppe, Zimmermann, Stöckeler Zinkler, Schenk & Partner mbB Patentanwälte Radlkoferstrasse 2 81373 München 81373 München (DE)

(54)	Engine and vehicle including the same

(57) To implement a weight reduction while securing high reliability in an engine including a two-plane type crankshaft, an engine 20 can include a two-plane type crankshaft 30 and a balancer shaft 50 for reducing a primary force couple. The crankshaft 30 includes a crankshaft body 30a and a first gear 38. The first gear 38 is disposed closer to one end side than a first crank web pair 31a disposed closest to the one end side in an direction of the axial line of the crankshaft 30.

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